With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
tn3270eSrvrPort
tn3270e Server Port
1.3.6.1.2.1.34.8.1.2.1.1
Indicates a port assigned to a server.
Back to ibm-tn3270e MIB page.
IPHost Network monitor allows you to monitor tn3270eSrvrPort on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM storage servers right now.